Introduction Subaru’s FB20 was a 2.0-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engine. Effectively replacing the EJ204 engine, the FB20 engine was a member of Subaru’s third generation ‘FB’ boxer engine family which also included the FB25,FA20D, FA20E and FA20F engines. The FB20 engine first offered in Australia in 2012 Subaru GP/GJ Impreza. Key features of […]
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Subaru EZ36D Engine
Introduction Subaru’s EZ36D was a 3.6-litre horizontally-opposed (or ‘boxer’) six-cylinder petrol engine. Replacing Subaru’s EZ30R, the EZ36D engine was first introduced in the Subaru B9 Tribeca in 2007 and subsequently offered in the BM/BR Liberty, BR Outback, BN Liberty and BS Outback. Compared to the EZ30 engine, changes for the EZ36D included: A more rigid […]
Subaru FA20D Engine
Introduction The FA20D engine was a 2.0-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engine that was manufactured at Subaru’s engine plant in Ota, Gunma. The FA20D engine was introduced in the Subaru BRZ and Toyota ZN6 86; for the latter, Toyota initially referred to it as the 4U-GSE before adopting the FA20 name. Key features of […]
Subaru EZ30D Engine
Introduction Subaru’s EZ30D was a 3.0-litre horizontally-opposed (or ‘boxer’) six-cylinder petrol engine. For Australia, the EZ30D engine was solely available on the Subaru BH Outback from 2000-03. Key features of the EZ30D engine included its: Open-deck, die-cast aluminium block; Aluminium alloy cylinder head; Double overhead camshafts actuating four valves per cylinder via shim-over-bucket lifters; Variable […]
Subaru EZ30R Engine
Introduction Subaru’s EZ30R was a 3.0-litre horizontally-opposed (or ‘boxer’) six-cylinder petrol engine. Replacing Subaru’s EZ30D, the EZ30R engine was first introduced in the Subaru BP Outback 3.0R in 2003 and subsequently offered in the Subaru BL/BP Liberty 3.0R and Subaru Tribeca. Compared to the EZ30D engine, changes for the EZ30R included: A lighter cylinder head […]
Subaru EJ255 Engine
Introduction Subaru’s EJ255 engine was a turbocharged 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder engine. For Australia, the EJ255 engine was introduced in the Subaru SG Forester XT in 2003, but subsequently offered in the GD/GG Impreza WRX and BL Liberty GT (see table below). Developed in conjunction with the more powerful EJ257 engine, key features for […]
Subaru EJ257 Engine
Introduction Subaru’s EJ257 was a turbocharged, 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder engine. For Australia, the EJ257 engine was introduced in the Subaru GD Impreza WRX STi in 2005 and subsequently powered the GE/GH Impreza WRX STi and V1 WRX. Effectively replacing the 2.0-litre EJ207 engine, the EJ257 engine was a member of Subaru’s Phase II […]
Subaru EJ208 Engine
Introduction Subaru’s EJ208 engine was a 2.0-litre horizontally-opposed petrol engine with sequential turbochargers. In Australia, the EJ208 engine was introduced in the 2001 Subaru BE Liberty B4 which, with a manual transmission, produced peak outputs of 190 kW and 320 Nm. From 2002, the BE Liberty B4 was offered with an automatic transmission for which […]
Subaru EJ251 & EJ252 Engines
Introduction Subaru’s EJ251 and EJ252 were 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engines. For Australia, the EJ251 engine was first introduced in the Subaru BE/BH Liberty in 1998 and subsequently offered in the BH Outback, GD/GG Impreza RS and Subaru SG Forester. For the Subaru BL/BP Liberty and BP Outback, the EJ251 was replaced by […]
Subaru EJ253 Engine
Introduction Subaru’s EJ253 engine was a 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engine. For Australia, the EJ253 engine was first introduced in the Subaru SG Forester in 2005. Compared to the EJ252 engine which it replaced, changes for the EJ253 included: Reinforced casting around the engine’s main bearing journal; Alterations to cylinder liner shape; and, […]